Lexicon Jamman power supply?

Hello All,
I'm hoping to find a means to power my Jamman here in the UK. I'm an
American living the UK. I've got an American wallwart for the Jamman.
I'd like to use the UK power supply. I've attempted to replace it via
several outlets here in the UK, but I'm having no luck.
Any suggestions?
Michael Bassett
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Internet:
www.michaelbassett.org
Europe:
Dartington College of Arts
Higher Close, Totnes
Devon, UK
TQ9 6EJ
North America:
1 West 89th St. Apt. 7W
NY NY 10024
USA